Annapolis, IL Radon Levels

Q: What EPA Radon Zone is Annapolis in?

Annapolis is in Crawford County, EPA Zone 2.

Q: How much does radon mitigation cost in Annapolis?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Check local Annapolis radon levels and find certified testing and mitigation professionals to keep your home safe

Annapolis, IL Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Crawford County, IL

Zip Code 62413

This small community in southeastern Illinois's Crawford County sits within a region where Pennsylvanian-era rock formations and coal deposits typically produce moderate radon levels. Annapolis features rural housing that includes both older farmsteads and newer residential development across the 62413 zip code area. Since comprehensive testing data remains limited for this area, homeowners should conduct professional radon testing to determine their individual property's exposure levels.

18.50

pCi/L area average

Above EPA Action Level

Crawford County average: 18.50 pCi/L, based on 2 user-submitted tests across 1 city in the county. No homeowner readings have been submitted for Annapolis itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Annapolis, IL Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Need Radon Mitigation or Testing in Annapolis?

100% Free, No-Obligation Quotes
Matches You with State-Licensed Crawford County Pros

1-800-299-3578 217-717-8001 (local) Toll-free · Mon–Fri 8am–6pm ET

Radon Readings Near Annapolis, IL

No homeowner tests have been submitted for Annapolis yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Palestine	12.8 mi	18.50 pCi/L	2
Bridgeport	28.5 mi	5.00 pCi/L	1
Charleston	32.4 mi	8.00 pCi/L	1
Paris	34.7 mi	9.67 pCi/L	3
Mattoon	39.6 mi	9.33 pCi/L	3
Effingham	40.6 mi	4.33 pCi/L	3
Mount Carmel	48.6 mi	5.00 pCi/L	2

Crawford County Radon Profile

Crawford County is mapped as EPA Radon Zone 2, where the local geology is predicted to produce moderate indoor screening levels between 2 and 4 pCi/L. Homeowner-submitted tests from 1 city in Crawford County average 18.50 pCi/L across 2 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Crawford County.

Radon FAQ for Annapolis, IL

What EPA Radon Zone is Annapolis in?

Annapolis and the 62413 zip code are in Crawford County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

Why are radon readings shown from areas near Annapolis?

No homeowner radon tests have been submitted for Annapolis yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Crawford County average—are the best available indicator of local conditions until Annapolis homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

How much does radon mitigation cost in Annapolis?

Radon mitigation in Annapolis typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.

Should I test for radon if I'm buying a home in Annapolis?

Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.